/Engine/Source/Editor/SwarmInterface/Public/SwarmInterface.h
Opens a Job session, which allows a Job to be specified, Tasks added, Job channels opened and used, etc. When the Job is complete and no more Job related data is needed from the Swarm, call CloseJob.
int32 Error code (< 0 is an error)
int32 OpenJob ( const [FGuid](API\Runtime\Core\Misc\FGuid) & JobGuid )